17-letter words containing o, p, s, i
- petite bourgeoise — a woman who belongs to the petite bourgeoisie.
- petty bourgeoisie — the section of the middle class with the lowest social status, generally composed of shopkeepers, lower clerical staff, etc
- phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
- philosopher kings — the Platonic ideal of a ruler, philosophically trained and enlightened.
- photo-composition — any method of composition using photography, as composition by means of a photocomposer.
- photo-respiration — the oxidation of carbohydrates in many higher plants in which they get oxygen from light and then release carbon dioxide, somewhat different from photosynthesis.
- photodissociation — the dissociation or breakdown of a chemical compound by radiant energy.
- photoluminescence — luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
- phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
- pick the eyes out — to select the best parts or pieces (of)
- piece of business — business (def 10).
- pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
- pincushion cactus — any of various low-growing, spiny cacti of the genus Mammillaria.
- pincushion flower — scabious2 (def 1).
- pink-footed goose — a Eurasian goose, Anser brachyrhynchus, having a reddish-brown head, pink legs, and a pink band on its black beak
- pioneering spirit — a willingness to endure hardship in order to explore new places or try out new things
- pitot-static tube — a device combining a Pitot tube with a static tube: used to measure airspeed.
- plains of abraham — a high plain adjoining the city of Quebec, Canada: battlefield where the English under Wolfe defeated the French under Montcalm in 1759.
- plastic explosive — a puttylike substance that contains an explosive charge, and is detonated by fuse or by remote control: used especially by terrorists and in guerrilla warfare.
- play with oneself — a dramatic composition or piece; drama.
- pocket battleship — a small heavily armed and armored warship serving as a battleship because of limitations imposed by treaty.
- point of presence — (PoP) A site where there exists a collection of telecommunications equipment, usually modems, digital leased lines and multi-protocol routers. An Internet access provider may operate several PoPs distributed throughout their area of operation to increase the chance that their subscribers will be able to reach one with a local telephone call. The alternative is for them to use virtual PoPs (virtual points of presence) via some third party.
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
- point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- pointer swizzling — swizzle
- poison-arrow frog — a small, bright-colored terrestrial frog of the family Dendrobatidae, of Central and South American rain forests, that secretes a virulent poison from its skin, once used on the tips of Indian hunting arrows.
- poison-pen letter — A poison-pen letter is an unpleasant unsigned letter which is sent in order to upset someone or to cause trouble.
- polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- polioencephalitis — a disease characterized by inflammation of the gray matter of the brain.
- political science — a social science dealing with political institutions and with the principles and conduct of government.
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- portuguese guinea — former name of Guinea-Bissau.
- positive definite — (of a quadratic form) positive for all real values of the variables, where the values are not all zero.
- positive electron — positron.
- positive eugenics — the study of or belief in the possibility of improving the qualities of the human species or a human population, especially by such means as discouraging reproduction by persons having genetic defects or presumed to have inheritable undesirable traits (negative eugenics) or encouraging reproduction by persons presumed to have inheritable desirable traits (positive eugenics)
- positive feedback — Electronics. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback) or to aid the input (positive feedback) acoustic feedback.
- positive polarity — the grammatical characteristic of a word or phrase, such as delicious or rather, that may normally only be used in a semantically or syntactically positive or affirmative context
- positive theology — a theological approach or tradition in which the nature of God is thought to be knowable and is understood through positive statements. See also cataphasis (def 2).
- positive thinking — an optimistic attitude
- post-and-rail tea — (in the 19th century) a coarse tea in which floating particles resembled a post-and-rail fence
- post-depositional — removal from an office or position.
- post-independence — Also, independency. the state or quality of being independent.
- post-resurrection — the act of rising from the dead.
- postal stationery — an envelope, postal card, wrapper, or aérogramme, with the stamp printed directly on the paper.
- postimpressionism — a varied development of Impressionism by a group of painters chiefly between 1880 and 1900 stressing formal structure, as with Cézanne and Seurat, or the expressive possibilities of form and color, as with Van Gogh and Gauguin.
- postmillennialism — the doctrine or belief that the second coming of Christ will follow the millennium.
- poststructuralism — a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.
- posttranslational — Genetics, Biochemistry. occurring after the synthesis of a polypeptide chain.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.